commons-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Gary Gregory <ggreg...@seagullsw.com>
Subject RE: Question on Threadpool
Date Wed, 19 Nov 2003 16:45:31 GMT
FYI,

You should also be aware of the Java 1.5 preview in this area:
http://gee.cs.oswego.edu/dl/concurrency-interest/index.html

Gary

> -----Original Message-----
> From: Serge Knystautas [mailto:sergek@lokitech.com]
> Sent: Wednesday, November 19, 2003 07:30
> To: Jakarta Commons Users List
> Subject: Re: Question on Threadpool
> 
> David J. M. Karlsen wrote:
> > Also I do not understand the DefaultThreadPool(int size) constructor:
> > it calls startThread size times. startThread then does:
> >
> >
> >   Thread thread = new Thread( this );
> >         thread.start();
> >         return thread;
> >
> > so the DefaultThreadPool replaces it's Thread object size times - what's
> > the point in that?
> >
> > what am I missing out on?
> 
> I think reading up on the Thread class and Runnable interface will help
> you understand what's going on here.  The phrase "replace it's Thread
> object" doesn't really make any sense.
> 
> The thread pool is creating a new Thread object that will call the
> DefaultThreadPool's run() method.  This run() method takes your worker
> tasks (that you handed the pool using invokeLater()), and runs that
> worker task.  This run() method loops until you call stop() on the
> ThreadPool.
> 
> If you want your stand-alone java app to stop, you'll need to call
> stop() on the pool.  Another alternate is to modify the
> DefaultThreadPool (or create another thread pool implementation) that
> creates these threads as daemon's, as the JVM will exit if only daemon
> threads are running.
> 
> --
> Serge Knystautas
> President
> Lokitech >> software . strategy . design >> http://www.lokitech.com
> p. 301.656.5501
> e. sergek@lokitech.com
> 
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: commons-user-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: commons-user-help@jakarta.apache.org

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message